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13
REPLACING THE CUTTING HEAD
1. Align hole in the dust cup with the hole in
the side of the gearbox by rotating the
dust cup.
2. Insert a small screwdriver into aligned
holes. This will keep the shaft from turn-
ing while removing and installing trimmer
head.
Screwdriver
3. While holding the s crewdriver in position,
remove trimmer head by turning clock-
wise.
4. Thread replacement trimmer head onto
the shaft by turning counterclockwise.
Tighten until secure.
5. Remove the screwdriver.
CARBURETOR ADJUSTMENT
WARNING:
Keep others away when
making idle speed adjustments. The trimmer
head will be spinning during m ost of this pro-
cedure. Wear your protective equipment and
observe all safety precautions. After making
adjustments, the trimmer head must not
move/spin at idle speed.
The carburetor has been carefully set at the
factory. Adjustments may benecessary ifyou
notice any of the following conditions:
S
Engine will not idle when the throttle is
released.
S
The trimmer head moves/spins at idle.
Make adjustments with the unit supported so
the cutting attachment is off the ground and
will not make contact with any object. Hold
the unit by handwhile running and making ad-
justments. Keep all parts of your body away
from the cutting attachment and muffler .
Idle Speed Adjustment
Allow engine to i dle. Adjust speed until engine
runs without trimmer headmoving orspinning
(idle too fast) or stalling (idle speed too slow).
S
Turn idle speed screw clockwise to
increase engine speed if engine stalls or
dies.
S
Turn idle speed screw counterclockwise to
decrease engine speed if trimmer head
moves or spins at idle.
WARNING:
Recheck the idle speed
after each adjustment. The trimmer head
must not move or spin at idle speed to avoid
serious injury to the operator or others.
Idle Speed
Scr e w
Air Filter
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If you require further assistance orareunsure
about performing this procedure, contact an
authorized service dealer or call
1--800--554--6723.
STORAGE
WARNING:
Perform the following
steps after each use:
S
Allow engine to cool bef ore storing ortrans-
porting.
S
Store unit and fuel i n a well ventilated area
where fuel vapors cannot reach sparks or
open flames from water heaters, electric
motors or switches, furnaces, etc.
S
Store unit with all guards in place. Position
unit s o that any sharp object cannot acci-
dentally cause injury.
S
Store unit and fuel well out of the reach of
children.
SEASONAL STORAGE
Prepare unit for storage at end of season or if
it will not be used for 30 days or more.
If your unit is to be stored for a period of time:
S
Clean the entire unit bef ore lengthy
storage.
S
Store in a clean dry area.
S
Lightly oil external metal surfaces.
FUEL SYSTEM
Under FUELING ENGINE in the OPERA-
TION section of this manual, see message l a-
beled IMPORTANT regarding the use of ga-
sohol in your engine.
Fuel s t abilizer is an acceptable alternative in
minimizing the formation of fuel gum deposits
during storage. Add stabilizer to the gasoline
in the fuel tank or fuel storage container. Fol-
low the mix instructions found on stabilizer
container. Run engine at least 5 minutes after
adding stabilizer.
ENGINE
S
Remove spark plug and pour 1teaspoon of
40:1, 2-cycleengine oil (air cooled) through
the spark plug opening. Slowly pull the
starter rope 8 to 10 times to distribute oil.
S
Replace spark plug with new one ofrecom-
mended type and heat range.
S
Clean air filter.
S
Check entire unit for loose screws, nuts,
and bolts. Replace any damaged, broken,
or worn parts.
S
At the beginning of the next season, use
only fresh fuel having the proper gasoline to
oil ratio.
OTHER
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Do not store gasoline from one s eason to
another.
S
Replace your gasoline can if itstarts torust.